APA (7th ed.) Citation

(1990). The essence of Buddhism - volume 1. Department of Government Printing.

Chicago Style (17th ed.) Citation

The Essence of Buddhism - Volume 1. Colombo: Department of Government Printing, 1990.

MLA (9th ed.) Citation

The Essence of Buddhism - Volume 1. Department of Government Printing, 1990.

Warning: These citations may not always be 100% accurate.